Top 100 True or False Questions
Pick a category, read a statement, and let everyone guess. Then reveal the answer and explanation—perfect for trivia, classrooms, and icebreakers.
Animals
Animal facts and myths—great for quick laughs and surprises.
Octopuses have three hearts.
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They have two branchial hearts for the gills and one systemic heart for the body.
A group of crows is called a murder.
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‘Murder’ is a traditional collective noun for crows.
Bats are blind.
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Most bats can see; many also use echolocation.
Sharks are mammals.
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Sharks are fish; they breathe with gills and are cold-blooded.
Koalas are bears.
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Koalas are marsupials, not bears.
Dolphins can sleep with one half of their brain at a time.
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This helps them keep breathing and stay alert in the water.
Penguins can fly.
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Penguins are flightless birds adapted for swimming.
Butterflies taste with their feet.
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They have taste receptors on their feet to help identify plants.
Frogs drink water through their skin.
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Many frogs absorb water through a specialized skin area.
Sea otters use rocks as tools to open shellfish.
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They often place a rock on their chest and smash shells against it.
Male seahorses can get pregnant.
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The male carries developing eggs in a brood pouch.
Polar bears have black skin under their fur.
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Their dark skin helps absorb and retain heat.
A cheetah’s claws are fully retractable like a house cat’s.
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Cheetah claws are semi-retractable for better grip while running.
Science & Space
Simple science and space facts that are easy to play in a group.
Water boils at 100°C (212°F) at sea level.
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Boiling point depends on pressure; at sea level it’s about 100°C.
The Sun is a star.
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It’s a G-type main-sequence star.
Light travels faster than sound.
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That’s why you see lightning before you hear thunder.
Humans only use 10% of their brains.
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Brain imaging shows we use many regions across the day.
Mercury is the hottest planet in our solar system.
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Venus is hotter due to its strong greenhouse effect.
Lightning can strike the same place more than once.
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Tall structures can be struck many times.
Sound can travel through a vacuum.
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Sound needs a medium (air, water, solid) to travel.
The Great Wall of China is visible from the Moon with the naked eye.
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It’s not reliably visible unaided from the Moon.
Pluto is classified as a dwarf planet.
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It was reclassified as a dwarf planet in 2006.
The Earth has one natural satellite: the Moon.
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Earth’s only major natural satellite is the Moon.
Uranus rotates on its side.
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Its axis is tilted about 98°, so it ‘rolls’ along its orbit.
Absolute zero is 0°C.
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Absolute zero is 0 K, which is −273.15°C.
The chemical symbol for gold is Au.
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Au comes from the Latin word ‘aurum’.
Humans and non-avian dinosaurs lived at the same time.
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Non-avian dinosaurs went extinct long before humans appeared.
The speed of light is about 300,000 kilometers per second.
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In vacuum it’s approximately 299,792 km/s.
Geography
Countries, continents, oceans, and map trivia.
Australia is both a country and a continent.
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Australia is the only nation that covers an entire continent.
Mount Everest is the highest mountain above sea level.
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Its peak is about 8,849 meters above sea level.
The Sahara is the largest hot desert in the world.
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It’s the largest hot desert by area.
Greenland is mostly covered by ice.
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Most of Greenland is covered by an ice sheet.
Japan is made up of thousands of islands.
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Japan includes more than 6,000 islands.
The equator passes through Kenya.
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Kenya is one of the countries the equator crosses.
Europe is the largest continent by area.
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Asia is the largest continent by area.
The capital of Canada is Toronto.
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Canada’s capital is Ottawa.
The Amazon rainforest is located in South America.
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Most of it lies within Brazil, but it spans several countries.
The Mediterranean Sea is connected to the Atlantic Ocean.
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They connect via the Strait of Gibraltar.
Russia spans 11 time zones.
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Russia is the country with the most time zones.
The Pacific Ocean is larger than the Atlantic Ocean.
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The Pacific is the largest ocean on Earth.
History
Big events and famous milestones from the past.
Neil Armstrong was the first person to walk on the Moon.
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He stepped onto the Moon in 1969 during Apollo 11.
The Berlin Wall fell in 1989.
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It opened on November 9, 1989.
Johannes Gutenberg is credited with inventing the printing press in Europe.
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He popularized movable-type printing in the 15th century.
Cleopatra was of Greek (Macedonian) origin.
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She belonged to the Ptolemaic dynasty, which was Greek.
The Titanic sank in 1912.
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It sank after hitting an iceberg on April 15, 1912.
World War I began in 1914.
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It started in 1914 and ended in 1918.
The United States declared independence in 1776.
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The Declaration of Independence is dated July 4, 1776.
The ancient Egyptians used electricity to build the pyramids.
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The pyramids were built using ancient tools and labor techniques.
The Olympic Games originated in ancient Greece.
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The ancient Olympics were held at Olympia.
The Roman Empire fell after the Viking Age began.
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The Western Roman Empire fell in 476, before the Viking Age (~793).
Human Body
Quick body facts—perfect for classroom or casual trivia.
An adult human body typically has 206 bones.
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Babies have more bones that fuse as they grow.
A person can live without a stomach.
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It’s possible after a total gastrectomy, though diet changes are needed.
The skin is the largest organ in the human body.
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By surface area and weight, skin is the largest organ.
Blood in your veins is blue.
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Blood is red; veins can look blue through the skin due to light scattering.
Your heart is located entirely on the left side of your chest.
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The heart sits near the center, slightly to the left.
The liver can regenerate itself.
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It can regrow significant portions after injury or surgery.
The tongue has separate taste zones for sweet, sour, salty, and bitter.
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Taste receptors for all tastes are spread across the tongue.
Humans only have five senses.
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We also have senses like balance, temperature, and proprioception.
An average adult has 32 teeth.
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That count includes four wisdom teeth when present.
Fingernails keep growing after you die.
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It’s an illusion caused by skin dehydration and retraction.
Most body heat is lost through the head.
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Heat loss depends on what’s exposed, not a special ‘head’ rule.
The brain tissue itself can feel pain.
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The brain lacks pain receptors; surrounding tissues can hurt.
Food
Food and kitchen facts: tasty, practical, and fun.
Honey never spoils.
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Properly stored honey can remain edible for a very long time.
Carrots were originally purple.
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Early cultivated carrots were often purple or yellow.
Brown eggs are always more nutritious than white eggs.
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Shell color mainly depends on the breed of the chicken.
Chocolate can be toxic to dogs.
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It contains theobromine, which dogs metabolize slowly.
Salt can make ice melt at lower temperatures.
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Salt lowers water’s freezing point, helping melt ice.
Microwave ovens cook food from the inside out.
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Microwaves penetrate a limited depth; heating is not purely inside-out.
Sourdough bread relies on wild yeast and bacteria.
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The starter is a living culture that ferments the dough.
Eating sugar makes children hyperactive.
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Research generally doesn’t support sugar as the direct cause.
Raw kidney beans can be harmful if eaten uncooked.
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They contain toxins that are destroyed by proper boiling.
Bananas grow on trees.
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Banana plants are large herbs, not trees.
Wasabi served outside Japan is often mostly horseradish.
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Many products use horseradish with coloring instead of true wasabi.
Olive oil is essentially a fruit juice.
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It’s pressed from olives, which are fruits.
Sports
Rules and sports trivia that everyone can guess.
A marathon is 42.195 kilometers (26.2 miles) long.
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That’s the standardized marathon distance.
In baseball, three strikes result in an out.
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A batter is out after three strikes in an at-bat.
In soccer, a goal is worth one point.
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Each goal adds one to the team’s score.
The Super Bowl is the championship game of the NFL.
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It determines the NFL champion each season.
In tennis scoring, ‘love’ means zero.
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‘Love’ represents a score of 0.
Basketball was invented by a Canadian.
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James Naismith, a Canadian, invented it while working in the U.S.
The Olympics are held every two years.
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Each of the Summer and Winter Olympics occurs every four years.
A standard pool table typically has six pockets.
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Most standard pocket billiards tables have 6 pockets.
General
Classic general knowledge true/false statements.
Water expands when it freezes.
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Ice is less dense than liquid water, so it expands.
The word ‘queue’ is pronounced the same as ‘cue’.
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They are homophones in English.
A leap year has 366 days.
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An extra day is added to February.
The Earth is closer to the Sun in January than in July.
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Earth reaches perihelion in early January.
The element with atomic number 1 is hydrogen.
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Hydrogen is the first element on the periodic table.
A triangle has four sides.
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A triangle has three sides.
Zero is an even number.
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Zero is divisible by 2 with no remainder.
The word ‘emoji’ comes from Japanese.
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It comes from Japanese ‘e’ (picture) + ‘moji’ (character).
An hour has 60 minutes.
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That’s the standard time conversion.
A standard chessboard has 64 squares.
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It’s an 8×8 grid.
Jupiter is the largest planet in our solar system.
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Jupiter is the largest by mass and diameter.
Venus is the closest planet to the Sun.
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Mercury is the closest planet to the Sun.
All the planets in our solar system have moons.
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Mercury and Venus have no moons.
The chemical symbol for sodium is Na.
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Na comes from the Latin ‘natrium’.
A byte is 8 bits.
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Modern computing commonly defines a byte as 8 bits.
The Earth is a perfect sphere.
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Earth is an oblate spheroid—slightly flattened at the poles.
Humans have already landed on Mars.
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So far, only robotic missions have reached Mars.
The Pacific Ocean is larger than the Atlantic Ocean.
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The Pacific is larger in both area and volume.
Frequently Asked Questions
How do you play true or false questions in a group?
Read a statement out loud, let everyone vote ‘true’ or ‘false’, then reveal the answer. You can keep score or just play for fun.
Are these questions suitable for work and classrooms?
Yes—this set focuses on general knowledge (animals, science, geography, and more) and is designed to be family-friendly.
Do the questions include explanations?
Most questions include a short explanation so players learn something after the reveal.
Can I copy and share individual questions?
Yes—use the copy button on any card to quickly copy the statement to your clipboard.
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